ISTWCMS-3544: adding sophron which is required by the latest version, 3.0-rc1 of imagemagick

composer.json

@@ -83,6 +83,7 @@
         "drupal/samlauth": "dev-3.0-alpha1-uw_wcms1",
         "drupal/search_kint": "dev-8.x-1.x",
         "drupal/simplify_menu": "2.0",
+        "drupal/sophron": "1.0-rc1",
         "drupal/token": "1.5",
         "drupal/twig_field_value": "1.2",
         "drupal/twig_tweak": "2.4",